Tower ventilating fan



FIG. 1 is a front view of the tower ventilating fan showing a preferred embodiment of our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a top-end view thereof; and,

FIG. 6 is a bottom-end view thereof. 

The ornamental design for a tower ventilating fan, as shown and described. 